NanoGPT MCP Integration
The NanoGPT MCP (Model Context Protocol) server allows you to use NanoGPT’s AI capabilities directly from MCP-compatible clients like Claude Code, Cursor, and other AI coding assistants.Features
The NanoGPT MCP server provides the following tools:| Tool | Description |
|---|---|
nanogpt_chat | Send chat messages to any AI model available on NanoGPT |
nanogpt_get_balance | Check your account balance (USD and Nano) |
nanogpt_image_generate | Generate images using DALL-E, Flux, Midjourney, and more |
nanogpt_web_search | Search the web for current information |
nanogpt_scrape_urls | Extract content from web pages |
nanogpt_youtube_transcribe | Get transcripts from YouTube videos |
nanogpt_list_text_models | List available text/chat models |
nanogpt_list_image_models | List available image generation models |
nanogpt_list_audio_models | List available audio models (TTS/STT) |
nanogpt_list_video_models | List available video generation models |
Prerequisites
- A NanoGPT account with an API key (get one here)
- Node.js 22.x or later
- An MCP-compatible client (Claude Code, Cursor, etc.)
Installation
Option 1: Using npx (Recommended)
The easiest way to use the NanoGPT MCP server is via npx. Add it to your MCP client with:YOUR_API_KEY with your actual NanoGPT API key.
Option 2: Global Installation
Configuration
Required Environment Variables
| Variable | Description |
|---|---|
NANOGPT_API_KEY | Your NanoGPT API key (required) |
Optional Environment Variables
| Variable | Default | Description |
|---|---|---|
NANOGPT_TIMEOUT_MS | 600000 (10 min) | Request timeout in milliseconds |
NANOGPT_DEFAULT_MODEL | claude-sonnet-4-5-20250929 | Default model for chat requests |
NANOGPT_LOG_LEVEL | info | Log level: debug, info, warn, error |
Usage Examples
Once configured, you can use NanoGPT tools directly from your MCP client. Here are some examples:Check Your Balance
Ask your AI assistant:“Check my NanoGPT balance”The assistant will call
nanogpt_get_balance and show your USD and Nano balances.
Chat with AI Models
“Use NanoGPT to ask Claude Sonnet about the best practices for REST API design”
Generate Images
“Use NanoGPT to generate an image of a futuristic city at sunset”
Search the Web
“Use NanoGPT web search to find the latest news about AI”
Get YouTube Transcripts
“Use NanoGPT to get the transcript of this YouTube video: https://www.youtube.com/watch?v=…”
Scrape Web Pages
“Use NanoGPT to scrape the content from https://example.com”
Tool Reference
nanogpt_chat
Send a chat completion request to an AI model. Parameters:messages(required): Array of message objects withrole(“system”, “user”, “assistant”) andcontentmodel(optional): Model ID (defaults to Claude Sonnet 4.5)temperature(optional): Sampling temperature (0-2)max_tokens(optional): Maximum tokens in response
nanogpt_get_balance
Check your current account balance. Parameters: None Returns:usd_balance: Balance in USDnano_balance: Balance in Nano (XNO)nanoDepositAddress: Your Nano deposit address
nanogpt_image_generate
Generate images from text prompts. Parameters:prompt(required): Text description of the image to generatemodel(optional): Image model to use (e.g., “dall-e-3”, “flux-pro”)n(optional): Number of images to generate (1-10)size(optional): Image size (e.g., “1024x1024”)quality(optional): Image quality setting
nanogpt_web_search
Search the web for current information. Parameters:query(required): Search querydepth(optional): “standard” or “deep”outputType(optional): “searchResults”, “sourcedAnswer”, or “structured”includeImages(optional): Include image resultsfromDate/toDate(optional): Date range filter (YYYY-MM-DD)
nanogpt_scrape_urls
Scrape content from web pages. Parameters:urls(required): Array of URLs to scrape (max 5 per request)mode(optional): “scrape-page” or “conversation”stealthMode(optional): Use stealth mode for scraping
nanogpt_youtube_transcribe
Get transcripts from YouTube videos. Parameters:urls(required): Array of YouTube URLs (max 10 per request)
nanogpt_list_text_models
List available text/chat models. Parameters:detailed(optional): Include pricing information (default: false)
nanogpt_list_image_models
List available image generation models. Parameters:detailed(optional): Include pricing information (default: true)
nanogpt_list_audio_models
List available audio models. Parameters:detailed(optional): Include pricing information (default: true)type(optional): Filter by type: “tts”, “stt”, or “all”
nanogpt_list_video_models
List available video generation models. Parameters:detailed(optional): Include pricing information (default: true)
Error Handling
The MCP server provides clear error messages for common issues:| Error | Meaning | Solution |
|---|---|---|
| Invalid API key | Authentication failed | Check your NANOGPT_API_KEY |
| Insufficient balance | Account balance too low | Top up your account at nano-gpt.com |
| Rate limited | Too many requests | Wait and try again |
| Timeout | Request took too long | Try a simpler request or increase NANOGPT_TIMEOUT_MS |
Billing
- All paid tools deduct from your NanoGPT balance
- Use
nanogpt_get_balanceto check your balance before expensive operations - Model listing tools are free to use
- Failed requests (timeouts, errors) are not charged
Troubleshooting
”Missing required env var: NANOGPT_API_KEY”
Make sure you’ve set your API key when adding the MCP server:“Invalid API key” errors
- Verify your API key at nano-gpt.com/settings/api-keys
- Make sure you’re using the full API key value
- Check for extra spaces or newlines in the key
Requests timing out
For long-running operations like web search, you can increase the timeout:MCP server not connecting
- Ensure Node.js 22+ is installed:
node --version - Try removing and re-adding the MCP server
- Check your MCP client’s logs for detailed error messages
Support
- Documentation: nano-gpt.com/docs
- Discord: Join our community for help and updates
- API Keys: nano-gpt.com/settings/api-keys
Privacy & Security
- Your API key is stored locally and only sent to NanoGPT servers
- The MCP server runs locally on your machine
- No data is logged or stored by the MCP server
- Chat messages and other content are processed according to NanoGPT’s privacy policy